import java.util.Scanner;

public class Demo {
    public static void main(String[] args) {
       Scanner input = new Scanner(System.in);
        System.out.println("请输入用户名:");
        char r = input.next().charAt(0);
        char i = '青';
        int pw = 123;
        System.out.println("请输入密码:");
        int pwd = input.nextInt();
        if (r==i&&pwd==pw){
            System.out.println("欢迎你，青");
        }else {
            System.out.println("对不起，你不是青");
        }
    }
}
